Non-destructive testing of pipeline
This invention relates to non-destructive testing of metallic pipelines using a pig having a novel way of mounting sensors for detecting any defect in the pipe wall. The sensors are mounted around...

1752

4096754

Removable probe
A removably mounted probe provides access to a fluid enclosure. The front end of the probe has a collar which seats on a beveled shoulder to position the probe relative to the fluid enclosure. The...

1753

4090467

Control point adjustment mechanism
An apparatus is disclosed for use in a control system having a control point adjustment and a throttling range adjustment, the apparatus having, for example, a first dial having a throttling range...

1754

4086805

Apparatus for evaluating measurement signals
Apparatus for evaluating a measurement signal having an initial transient issuing into a more stationary value include equipment for monitoring the rate of change of the measurement signal. This...

Spring system comprising an adjustable spring
A spring system has an adjustable spring force and includes at least one magnet. The magnet has a magnetic field, and at least one conductor passing direct current is disposed in the magnetic...

1758

4052902

Static friction free altimeter
A piezoelectrical transducer for providing an altimeter with vibratory motion to attenuate the effect of static friction on the movement of a gear train responding to an altitude responsive aneroid.

Flexible position probe assembly
The combination of a plurality of tubular transducer sections, and a flexible supporting member extending through the tubular transducer sections forms a flexible elongated probe of a design...

1761

4050384

Tube inspection and servicing apparatus
An apparatus for insertion into a relatively long tube or conduit in order to inspect or perform operations on the interior thereof. The apparatus includes a device for performing an operation on...

Pneumatic lung analog
A vertically oriented bellows has a fixed plate at one end and a movable plate at the other end. As air flows into the bellows, the movable plate pivots relative to the fixed plate and the free...

Method of measuring mechanical damage to grain
Mechanical damage to grain is measured by taking a small sample of the grain and applying a solution of a substance which will selectively adhere only to the exposed surface of the interior of the...

Ship's bottom inspection apparatus
A ship's bottom inspection apparatus which includes a generally U-shaped mework which is adapted to be submerged for receiving the width of a ship therebetween. A series of cameras are mounted in...

1768

4008622

Method of testing the qualities of a material
In a method of testing a material to determine its suitability for forming at least a part of a self-lubricating bearing member containing oil by determining whether the material will cause...

1769

4009390

Process for measuring tenderness of cooked meat
To predict the tenderness of cooked meat, the concentrations of certain trace elements such as copper, cobalt, iron, zinc, calcium, selenium and silicon and sometimes cadmium and lead in uncooked...

Remote orientation of a probe in a tubular conduit
A method and apparatus for orienting a probe or the like in a predetermined angular orientation within a long, curved conduit at selected longitudinal positions therewithin. A steam generator tube...

1772

3983756

Probe apparatus for a high pressure chamber
Disclosed is an apparatus including a probe adapted for removal through an aperture in the side wall of a high pressure chamber. The probe is supported at one end of a rod that is coaxially...

1773

3977248

Linearizing elements for variable area flowmeter
A rotameter system adapted to produce an output indication that is linearly proportional to flow. The primary element of the system includes a float contained in a variable area tube through which...

Electronic thermometer
An electronic thermometer system comprising a temperature sensing circuit for providing an analog signal representative of the temperature being sensed; a voltage to rate converter circuit...

Tool holding and positioning device
The invention is directed to a device adapted to be inserted within a heat exchanger header of restricted transverse dimensions, for locating tools in operative relationship to each of the...

Sensing device and method
A sensing device with a sensing coil that moves an indicator member about an axis in response to changes in predetermined conditions and an optically reflective member associated with the...

Trailing gauge
A method of and apparatus for scanning the surface of a charge of material in a shaft furnace in order to provide information as to the charging plane profile. The apparatus includes a gauge...

Sensor probe control system
Apparatus for automatically controlling a bath sensing operation in a steelmaking process is disclosed. A sensor, housed within a probe, is movable in relation to the probe. A first mechanism is...

Decompression meter
A decompression meter for a diver or a caisson worker to indicate when it is safe to continue decompression during a superatmospheric excursion, comprising means for providing an analogue of the...

Pressure-responsive instrument
A motion-transmitting and amplifying mechanism for a pressure-responsive instrument, such as an aneroid barometer, which includes a pressure-responsive capsule coupled by a motion-amplifying...